Bug 1303072 (CVE-2003-1604)

Summary: CVE-2003-1604 kernel: Missing NULL pointer check in nf_nat_redirect_ipv4
Product: [Other] Security Response Reporter: Andrej Nemec <anemec>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED CURRENTRELEASE QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: agordeev, aquini, arm-mgr, bhu, dhoward, esammons, fhrbata, gansalmon, iboverma, itamar, jforbes, jkacur, joelsmith, jonathan, jross, jwboyer, kernel-maint, kernel-mgr, kstutsma, lgoncalv, lwang, madhu.chinakonda, matt, mchehab, mcressma, mguzik, nmurray, pholasek, plougher, rt-maint, rvrbovsk, williams
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2016-01-29 13:12:08 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description Andrej Nemec 2016-01-29 13:09:59 UTC
When a device doesn't have an IP address, as in ifconfig eth0 0.0.0.0, then
dev->ip_ptr->indev == NULL.
It is possible to craft a packet that crashes the kernel.

Original bug report with fix:

http://marc.info/?l=netfilter-devel&m=106668497403047&w=2

CVE assignment:

http://seclists.org/oss-sec/2016/q1/226